Home / 65,875.42-98,795.55-18,487.72

Finding the Fourth Proportional to 65,875.42, 98,795.55 and 18,487.72

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Solution

The fourth proportional to 65,875.42, 98,795.55 and 18,487.72 is: 27,726.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,875.42 : 98,795.55 = 18,487.72 : x
  2. Step 2: Convert to fraction form
    65,875.42/98,795.55 = 18,487.72/x
  3. Step 3: Cross multiply
    65,875.42x = 98,795.55 × 18,487.72
  4. Step 4: Simplify right side
    65,875.42x = 1,826,504,465.65
  5. Step 5: Solve for x
    x = 1,826,504,465.65/65,875.42
  6. Step 6: Final answer
    x = 27,726.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.